hugetlb: introduce generic version of huge_pte_wrprotect
authorAlexandre Ghiti <alex@ghiti.fr>
Fri, 26 Oct 2018 22:08:26 +0000 (15:08 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Fri, 26 Oct 2018 23:26:34 +0000 (16:26 -0700)
commitc4916a008665a6650834a736f80559a7f90e5857
treeb772442e9296310ed6626caef165c83940572912
parentcae72abc1af0c1ef4cb39e7187c5af44a7ce17a4
hugetlb: introduce generic version of huge_pte_wrprotect

arm, arm64, ia64, mips, parisc, powerpc, sh, sparc, x86 architectures use
the same version of huge_pte_wrprotect, so move this generic
implementation into asm-generic/hugetlb.h.

Link: http://lkml.kernel.org/r/20180920060358.16606-8-alex@ghiti.fr
Signed-off-by: Alexandre Ghiti <alex@ghiti.fr>
Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
Tested-by: Helge Deller <deller@gmx.de> [parisc]
Acked-by: Catalin Marinas <catalin.marinas@arm.com> [arm64]
Acked-by: Paul Burton <paul.burton@mips.com> [MIPS]
Acked-by: Ingo Molnar <mingo@kernel.org> [x86]
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: David S. Miller <davem@davemloft.net>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James E.J. Bottomley <jejb@parisc-linux.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Rich Felker <dalias@libc.org>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
arch/arm/include/asm/hugetlb.h
arch/arm64/include/asm/hugetlb.h
arch/ia64/include/asm/hugetlb.h
arch/mips/include/asm/hugetlb.h
arch/parisc/include/asm/hugetlb.h
arch/powerpc/include/asm/hugetlb.h
arch/sh/include/asm/hugetlb.h
arch/sparc/include/asm/hugetlb.h
arch/x86/include/asm/hugetlb.h
include/asm-generic/hugetlb.h